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R/Cheatsheet
my.date <- "2014-01-06 00:23:24" chr "2014-01-06 00:23:24"

1 KB (222 words) - 11:31, 23 June 2014
Windows/Explorer Tweaks
...er <tt>/d</tt> to <tt>0</tt> will do the trick. To re-enable it set to <tt>1</tt> ...mple looking for huge files eating up disk space. Setting the value to <tt>1</tt> will show hidden files and folders. Setting it back requires the value

3 KB (436 words) - 00:41, 30 June 2012
SSH/Tunneling
===== Case 1 ===== ...an class="highlight">56789 and we use 4.3.2.1 as the jump host.

3 KB (559 words) - 16:50, 23 December 2012
Mdadm
for i in $( seq 1 9 ); do dd if=/dev/zero of=${DISK_DIR}/disk${i} bs=100M count=1

4 KB (590 words) - 22:12, 10 June 2012
Regexp/Cheatsheet
...ntries but not the leading 4 ones. The highlight can be recalled with <tt>$1</tt>: The highlighted matches below would be recalled by <tt>$1</tt>

2 KB (252 words) - 06:31, 25 November 2015
OpenSSL/Cheatsheet
...<tt>openssl sha1 <File> </tt> || Same as <tt>sha1sum <File></tt> ...>openssl sha512 <File> </tt> || Same as <tt>sha512sum <File></tt>

3 KB (386 words) - 08:27, 4 October 2015
Sar/Visualize CPU data
sed -e '1,1s/$^#\|%$//g' \ cpu.data$CPU[ cpu.data$CPU == "-1" ] <- "all"

6 KB (910 words) - 22:50, 31 January 2016
LVM
Create a bunch of small (100MB) virtual disks for use with LVM. for i in 1 2 3 4 5; do

5 KB (645 words) - 15:49, 11 February 2011
VPN/Racoon as IPsec client for Zywall
...r'' type setup. It was tested with Ubuntu 12.04 as the client and a ZyWALL 10W as the concentrator. # Creation Date : 2008-05-13 at 09:50:11

9 KB (1,015 words) - 18:47, 12 January 2013
Network/Visualize ping latency
...the data collection run for a few days, I gathered data in a file that was 1.5 million lines large. To analyze the data I created a graph with R. HOSTS="ping01:pong01 ping02:pong02"

4 KB (559 words) - 22:18, 21 June 2014
Wireshark/FIX
...fine the output. The below example will stop after the first match (<tt>-c 1</tt>) as there is not much to continuously show the same information over a -c 1 \

3 KB (541 words) - 10:52, 17 July 2012
MacOS/Resize HFS Plus disk
For a test I partitioned an external 500GB disk with a 157.3GB JHFS+ partition and the remaining 342.8GB with an Linux ext2. The who Repartion an disk that was created on an older version of MacOS X to use 100% of the disk space. Important the data on the volume must stay intact.

7 KB (1,031 words) - 01:50, 11 January 2015
Linux/Convert crypted btrfs to crypted LVM
├─sda1 8:1 0 200M 0 part /boot/efi │ └─luks-d8be01e9-ef97-43e4-a8cd-3e40837b4b22 253:0 0 3.9G 0 crypt [SWAP]

10 KB (1,059 words) - 19:32, 17 June 2014
Network/Visualize pcap file data
tshark -q -z 'io,stat,1' -r <PcapFile> > <Statistics Interval: 1.000 secs

6 KB (834 words) - 23:45, 8 June 2014
Apache/Rewrite
RewriteCond %{DOCUMENT_ROOT}$1 !-f

1 KB (180 words) - 20:08, 30 April 2015
Windows/VLC
...d "\"<PathToVLC>\" --started-from-file cdda:///%1" /f .../d "\"<PathToVLC>\" --started-from-file dvd:///%1" /f

4 KB (621 words) - 11:46, 15 July 2012
SMTP/Port 25 blocked by ISP
Back when I was living in Japan I switched from Layer 1 from ADSL to FTTP with vDSL and all of a sudden I could no longer connect t # (yes) (yes) (yes) (never) (100)

2 KB (219 words) - 20:16, 26 May 2012
Windows/CMD
reg add HKCU\Console /v QuickEdit /t REG_DWORD /d '''1''' /f

1 KB (220 words) - 23:57, 1 June 2012
Linux/Channel Bonding
...uired. Hence the first thing is to ensure it no longer runs. On the Ubuntu 12.04 LTS host I used for the configuration I did it this way. Your milage ma * Host IP: 10.10.10.2/24

9 KB (1,210 words) - 12:40, 3 January 2014
PDF
Downsampling to 150 dpi. convert -density 150 INPUT.pdf OUTPUT.pdf

11 KB (1,788 words) - 19:55, 19 March 2013

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